A022864 a(n) = [ a(n-1)/a(1) ] + [ a(n-2)/a(2) ] + ... + [ a(1)/a(n-1) ], for n >= 3.

1, 2, 2, 3, 5, 7, 10, 16, 25, 41, 65, 105, 169, 274, 443, 720, 1169, 1898, 3082, 5007, 8135, 13216, 21473, 34891, 56692, 92118, 149682, 243219, 395210, 642182, 1043490, 1695582, 2755177, 4476933, 7274641, 11820688, 19207633, 31210810